commit a45929aff6d1269bf83756d96c15f3ecaf3d608c
Author: xfy <i@rua.plus>
Date:   Thu May 28 10:49:24 2026 +0800

    Initial Neovim config
    
    - Add init.lua entry point
    - Add lua/ modules: options, keymaps, autocmds, usercmds, pack, treesitter, lsp
    - Add .gitignore
    - Add nvim-pack-lock.json for plugin version locking
    
    Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..950a1c4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.omc/
+others/
diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..9098ce1
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,9 @@
+require("vim._core.ui2").enable({})
+
+require("options")
+require("keymaps")
+require("autocmds")
+require("usercmds")
+require("pack")
+require("treesitter")
+require("lsp")
diff --git a/lua/autocmds.lua b/lua/autocmds.lua
new file mode 100644
index 0000000..856cfc1
--- /dev/null
+++ b/lua/autocmds.lua
@@ -0,0 +1,36 @@
+local group = vim.api.nvim_create_augroup("UserAutocmds", { clear = true })
+
+-- 恢复上次编辑位置
+vim.api.nvim_create_autocmd("BufReadPost", {
+  group = group,
+  callback = function()
+    local mark = vim.api.nvim_buf_get_mark(0, '"')
+    local row = mark[1]
+    local ft = vim.bo.filetype
+
+    if row > 1 and row <= vim.fn.line("$") then
+      if ft ~= "commit" and ft ~= "gitcommit" and not ft:match("xxd") and not ft:match("gitrebase") then
+        vim.api.nvim_win_set_cursor(0, mark)
+      end
+    end
+  end,
+})
+
+-- 注释延续行为
+vim.api.nvim_create_autocmd("FileType", {
+  group = group,
+  callback = function()
+    vim.opt_local.formatoptions:remove("o") -- o/O 换行不延续注释
+    vim.opt_local.formatoptions:append("r") -- 回车延续注释
+  end,
+})
+
+-- 延迟设置 Treesitter 折叠（避免启动时加载 treesitter 模块）
+vim.api.nvim_create_autocmd("BufEnter", {
+  group = group,
+  once = true,
+  callback = function()
+    vim.o.foldmethod = "expr"
+    vim.o.foldexpr = "v:lua.vim.treesitter.foldexpr()"
+  end,
+})
diff --git a/lua/keymaps.lua b/lua/keymaps.lua
new file mode 100644
index 0000000..253ea17
--- /dev/null
+++ b/lua/keymaps.lua
@@ -0,0 +1,154 @@
+vim.g.mapleader = " "
+
+local map = vim.keymap.set
+
+map("x", "p", [["_dP]], { desc = "Paste over selection without losing yanked text" })
+-- map({ "n", "v" }, "<leader>d", [["_d]], { desc = "Delete without yanking" })
+
+map("n", "<Esc>", ":nohl<CR>", { desc = "Clear search highlighting", silent = true })
+
+map("v", "<", "<gv", { desc = "Unindent and keep selection" })
+map("v", ">", ">gv", { desc = "Indent and keep selection" })
+
+map("n", "J", "mzJ`z", { desc = "Join lines without moving cursor" })
+
+map("n", "<leader>ss", [[:%s/\<<C-r><C-w>\>/<C-r><C-w>/gI<Left><Left><Left>]],
+    { desc = "Replace word cursor is on globally" })
+-- search
+map("v", "<leader>ss", ":s/\\%V", { desc = "Search and replace in visual selection" })
+
+-- general
+map("n", "$", "g_")
+map("v", "$", "g_")
+map("v", ">", ">gv")
+map("v", "<", "<gv")
+
+-- native undotree
+vim.keymap.set("n", "<leader>u", function()
+    vim.cmd.packadd("nvim.undotree")
+    require("undotree").open()
+end, { desc = "Toggle Builtin Undotree" })
+
+map("t", "<C-x>", "<c-\\><c-n>", { desc = "Escape termainl" })
+map("n", "<leader>tt", ":term<CR>", { desc = "Open new terminal" })
+
+-- tabs
+map("n", "<leader>tc", ":tabclose<CR>", { desc = "Close current tab" })
+map("n", "<leader>tn", ":tabnew<CR>", { desc = "New tab" })
+map("n", "<leader>]", ":tabnext<CR>", { desc = "Next tab" })
+map("n", "<leader>[", ":tabprevious<CR>", { desc = "Previous tab" })
+
+
+-- yank path
+map("n", "<leader>yp", function()
+    local path = vim.fn.expand("%")
+    vim.fn.setreg("+", path)
+    vim.notify("Copied relative path: " .. path, vim.log.levels.INFO)
+end, { desc = "Yank relative file path" })
+
+map("n", "<leader>yP", function()
+    local path = vim.fn.expand("%:p")
+    vim.fn.setreg("+", path)
+    vim.notify("Copied absolute path: " .. path, vim.log.levels.INFO)
+end, { desc = "Yank absolute file path" })
+
+-- buffer
+map("n", "<leader>x", function()
+    local buf = vim.api.nvim_get_current_buf()
+    if vim.bo[buf].modified then
+        vim.ui.select({ "Yes", "No" }, {
+            prompt = "Buffer has unsaved changes. Close without saving?",
+            format_item = function(item)
+                return item
+            end,
+        }, function(choice)
+            if choice == "Yes" then
+                vim.api.nvim_buf_delete(buf, { force = true })
+            end
+        end)
+    else
+        vim.cmd.bdelete()
+    end
+end, { desc = "Close current buffer" })
+map("n", "<leader>bn", "<cmd>enew<CR>", { desc = "Buffer new" })
+
+map("n", "<leader>bo", function()
+    local current = vim.api.nvim_get_current_buf()
+    local skipped_ft = { "NvimTree", "oil", "aerial" }
+    for _, buf in ipairs(vim.api.nvim_list_bufs()) do
+        if buf ~= current and vim.api.nvim_buf_is_loaded(buf) then
+            local ft = vim.bo[buf].filetype
+            if not vim.tbl_contains(skipped_ft, ft) then
+                vim.api.nvim_buf_delete(buf, { force = true })
+            end
+        end
+    end
+end, { desc = "Close other buffers" })
+
+-- mini.pick buffer picker (telescope buffers equivalent)
+map("n", "<leader><leader>", function()
+    local MiniPick = require("mini.pick")
+
+    local delete_buf = function()
+        local matches = MiniPick.get_picker_matches()
+        local item = matches and matches.current
+        if not item or not item.bufnr then return end
+        local bufnr = item.bufnr
+
+        -- 先删除 buffer（pcall 保护，避免删除当前窗口 buffer 时出错）
+        pcall(vim.api.nvim_buf_delete, bufnr, { force = true })
+
+        -- 刷新列表：只保留仍然有效的 buffer
+        if MiniPick.is_picker_active() then
+            local items = vim.tbl_filter(function(i)
+                return i.bufnr and vim.api.nvim_buf_is_valid(i.bufnr)
+            end, MiniPick.get_picker_items() or {})
+            MiniPick.set_picker_items(items)
+        end
+    end
+
+    -- 收集所有 buffer，过滤特殊类型和未列出的，按最近使用排序
+    local bufs = vim.tbl_filter(function(b)
+        return vim.bo[b.bufnr].buftype == "" and b.listed == 1
+    end, vim.fn.getbufinfo())
+    table.sort(bufs, function(a, b)
+        return a.lastused > b.lastused
+    end)
+
+    local items = {}
+    for _, info in ipairs(bufs) do
+        local name = info.name ~= "" and vim.fn.fnamemodify(info.name, ":.") or "[No Name]"
+        table.insert(items, {
+            text = name,
+            bufnr = info.bufnr,
+        })
+    end
+
+    MiniPick.start({
+        source = {
+            name = "Buffers",
+            items = items,
+            show = function(buf_id, items_arr, query)
+                MiniPick.default_show(buf_id, items_arr, query, { show_icons = true })
+            end,
+        },
+        mappings = {
+            delete_buffer = { char = "<C-d>", func = delete_buf },
+        },
+    })
+end, { desc = "Buffers" })
+
+-- mini.pick filetype picker
+map("n", "<leader>ft", function()
+    local MiniPick = require("mini.pick")
+    local filetypes = vim.fn.getcompletion("", "filetype")
+    MiniPick.start({
+        source = {
+            name = "Filetypes",
+            items = filetypes,
+            choose = function(item)
+                vim.bo.filetype = item
+            end,
+        },
+    })
+end, { desc = "Change filetype" })
diff --git a/lua/lsp.lua b/lua/lsp.lua
new file mode 100644
index 0000000..02c3b82
--- /dev/null
+++ b/lua/lsp.lua
@@ -0,0 +1,52 @@
+require("mason").setup()
+
+vim.keymap.set('n', 'gd', vim.lsp.buf.definition, { desc = "Go to definition" })
+vim.keymap.set('n', 'gh', vim.lsp.buf.hover, { desc = "Hover" })
+vim.keymap.set("n", "<leader>fm", vim.lsp.buf.format, { desc = "Format Local buffer" })
+vim.keymap.set("n", "df", vim.diagnostic.open_float, { desc = "Show line diagnostics" })
+vim.keymap.set("n", "<leader>ca", vim.lsp.buf.code_action, { desc = "Code action" })
+
+local diagnostic_goto = function(next, severity)
+    return function()
+        vim.diagnostic.jump({
+            count = (next and 1 or -1) * vim.v.count1,
+            severity = severity and vim.diagnostic.severity[severity] or nil,
+            float = true,
+        })
+    end
+end
+
+vim.keymap.set("n", "]d", diagnostic_goto(true), { desc = "Next Diagnostic" })
+vim.keymap.set("n", "[d", diagnostic_goto(false), { desc = "Prev Diagnostic" })
+vim.keymap.set("n", "]e", diagnostic_goto(true, "ERROR"), { desc = "Next Error" })
+vim.keymap.set("n", "[e", diagnostic_goto(false, "ERROR"), { desc = "Prev Error" })
+vim.keymap.set("n", "]w", diagnostic_goto(true, "WARN"), { desc = "Next Warning" })
+vim.keymap.set("n", "[w", diagnostic_goto(false, "WARN"), { desc = "Prev Warning" })
+
+vim.diagnostic.config({ virtual_text = true })
+
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities = vim.tbl_deep_extend("force", capabilities, require("mini.completion").get_lsp_capabilities())
+
+vim.lsp.config("*", { capabilities = capabilities })
+
+vim.lsp.config("lua_ls", {
+    settings = {
+        Lua = {
+            diagnostics = { globals = { "vim" } },
+        },
+    },
+})
+
+vim.lsp.enable({
+    "html",
+    "cssls",
+    "gopls",
+    "vtsls",
+    "rust_analyzer",
+    "lua_ls",
+    "taplo",
+    "svelte",
+    "dartls",
+    "kotlin_lsp"
+})
diff --git a/lua/options.lua b/lua/options.lua
new file mode 100644
index 0000000..83c5c33
--- /dev/null
+++ b/lua/options.lua
@@ -0,0 +1,46 @@
+vim.g.netrw_banner = 0
+
+vim.opt.nu = true
+vim.opt.relativenumber = true
+vim.opt.cursorline = true
+vim.opt.cursorlineopt = "both"
+vim.opt.autoread = true
+
+vim.opt.tabstop = 4
+vim.opt.softtabstop = 4
+vim.opt.shiftwidth = 4
+vim.opt.expandtab = true
+
+vim.opt.smartindent = true
+vim.opt.inccommand = "split"
+
+vim.opt.splitbelow = true
+vim.opt.splitright = true
+
+vim.opt.ignorecase = true
+vim.opt.smartcase = true
+vim.opt.laststatus = 3
+
+vim.opt.swapfile = false
+vim.opt.backup = false
+vim.opt.undodir = vim.fn.stdpath("data") .. "/undodir"
+vim.opt.undofile = true
+
+vim.opt.completeopt = "menuone,noselect,fuzzy,nosort"
+vim.opt.shortmess:append("c")
+vim.opt.clipboard:append("unnamedplus")
+vim.opt.isfname:append("@-@")
+vim.opt.guicursor = ""
+vim.opt.scrolloff = 8
+
+vim.opt.colorcolumn = "0"
+vim.opt.signcolumn = "yes"
+
+vim.api.nvim_create_autocmd("TextYankPost", {
+    desc = "Highlight when yanking (copying) text",
+    callback = function()
+        vim.hl.on_yank()
+    end,
+})
+
+vim.opt.foldlevel = 99 -- 打开文件时默认展开所有折叠
diff --git a/lua/pack.lua b/lua/pack.lua
new file mode 100644
index 0000000..3acf0e8
--- /dev/null
+++ b/lua/pack.lua
@@ -0,0 +1,91 @@
+vim.pack.add({
+    "https://github.com/nvim-mini/mini.nvim",
+    "https://github.com/rafamadriz/friendly-snippets",
+    { src = "https://github.com/nvim-treesitter/nvim-treesitter", branch = "main" },
+    "https://github.com/neovim/nvim-lspconfig",
+    "https://github.com/mason-org/mason.nvim",
+    "https://github.com/tpope/vim-fugitive",
+})
+
+-- mini files ----
+local MiniFiles = require("mini.files")
+MiniFiles.setup({
+    mappings = {
+        go_in = "<CR>",
+        go_in_plus = "L",
+        go_out = "_",
+        go_out_plus = "H",
+    },
+})
+
+vim.keymap.set("n", "<leader>-", "<cmd>lua MiniFiles.open()<CR>", { desc = "Toggle mini file explorer" })
+vim.keymap.set("n", "-", function()
+    MiniFiles.open(vim.api.nvim_buf_get_name(0), false)
+    MiniFiles.reveal_cwd()
+end, { desc = "Toggle into currently opened file" })
+
+---- mini notify ----
+require("mini.notify").setup({
+	-- only show messages
+    content = {
+        format = function(notif)
+            return notif.msg
+        end,
+    },
+})
+
+--- mini cmdline completion ---
+require("mini.cmdline").setup({
+    autocorrect = { enable = false }
+})
+
+--- mini surround ---
+require("mini.surround").setup()
+-- Default Keymaps
+-- | `sa` | Add surrounding or Direct with 'saiw' |
+-- | `sd` | Delete surrounding |
+-- | `sr` | Replace surrounding |
+-- | `sf` | Find surrounding (right) |
+-- | `sF` | Find surrounding (left) |
+-- | `sh` | Highlight surrounding |
+-- | `sn` | Update n_lines |
+-- | `l` / `n` | as suffix for prev/next |
+
+--- mini picker ---
+local MiniPick = require("mini.pick")
+local MiniExtra = require("mini.extra")
+MiniPick.setup()
+MiniExtra.setup()
+
+-- keymaps
+vim.keymap.set("n", "<leader>ff", function() MiniPick.builtin.files() end, { desc = "Mini File Picker" })
+vim.keymap.set("n", "<leader>fw", function() MiniPick.builtin.grep({ pattern = vim.fn.expand("<cword>") }) end, { desc = "Grep word/Search word" })
+vim.keymap.set("n", "<leader>vh", function() MiniPick.builtin.help() end, { desc = "Mini Help" })
+
+vim.keymap.set("n", "<leader>ds", function() MiniExtra.pickers.diagnostic() end, { desc = "Mini Picker Diagnostics" })
+vim.keymap.set("n", "<leader>sk", function() MiniExtra.pickers.keymaps() end, { desc = 'Search keymaps' })
+
+--- mini completions --- 
+require("mini.completion").setup({
+    lsp_completion = {
+        auto_setup = true,
+    }
+})
+
+--- mini snippets ---
+local MiniSnippets = require("mini.snippets")
+MiniSnippets.setup({
+    snippets = {
+        MiniSnippets.gen_loader.from_lang(), -- loads friendly-snippets
+    },
+})
+MiniSnippets.start_lsp_server({ match = false })
+
+--- mini diff and fugitive ---
+local MiniDiff = require("mini.diff")
+MiniDiff.setup({
+	source = MiniDiff.gen_source.git({ index = false }),
+})
+
+vim.keymap.set("n", "<leader>gg", "<cmd>tabnew | Git | only<cr>", { desc = "Fugitive Full Page New Tab" })
+vim.keymap.set("n", "<leader>gd", "<cmd>Gvdiffsplit<CR>", { desc = "Git diff split", })
diff --git a/lua/treesitter.lua b/lua/treesitter.lua
new file mode 100644
index 0000000..b307872
--- /dev/null
+++ b/lua/treesitter.lua
@@ -0,0 +1,49 @@
+local treesitter = require("nvim-treesitter")
+
+local ensure_installed = {
+      "lua",
+      "vim",
+      "vimdoc",
+      -- Web
+      "javascript",
+      "typescript",
+      "tsx",
+      "jsdoc",
+      "json",
+      "html",
+      "css",
+      "yaml",
+      -- Backend
+      "c",
+      "rust",
+      "toml",
+      "go",
+      "gomod",
+      "gosum",
+      "gowork",
+      -- Infra
+      "dockerfile",
+      "make",
+}
+
+treesitter.install(ensure_installed)
+
+vim.api.nvim_create_autocmd("FileType", {
+	pattern = "*",
+	callback = function(args)
+		local buf = args.buf
+		local ft = vim.bo[buf].filetype
+
+		local lang = vim.treesitter.language.get_lang(ft)
+		if not lang then
+			return
+		end
+
+		local ok_add = pcall(vim.treesitter.language.add, lang)
+		if not ok_add then
+			return
+		end
+
+		pcall(vim.treesitter.start, buf, lang)
+	end,
+})
diff --git a/lua/usercmds.lua b/lua/usercmds.lua
new file mode 100644
index 0000000..40d1eee
--- /dev/null
+++ b/lua/usercmds.lua
@@ -0,0 +1,21 @@
+vim.api.nvim_create_user_command("PackAdd", function(opts)
+    vim.pack.add(opts.fargs)
+end, { nargs = "+", desc = "Add plugins (:PackAdd user/repo1 user/repo2)" })
+
+-- Pack Delete and Update cmds are built-in on Nightly 0.13
+vim.api.nvim_create_user_command("PackDel", function(opts)
+    vim.pack.del(opts.fargs)
+end, { nargs = "+", desc = "Delete plugins (:PackDel plugin1 plugin2)" })
+
+vim.api.nvim_create_user_command("PackUpdate", function(opts)
+	-- checks if any argument is passed
+    if opts.args:match("%S") then
+        -- update specific plugins
+        local plugins = vim.split(opts.args, "%s+", { trimempty = true })
+		-- update only specified plugins
+        vim.pack.update(plugins)
+    else
+        -- update all
+        vim.pack.update()
+    end
+end, { nargs = "*", desc = "Update all plugins or specific ones" })
diff --git a/nvim-pack-lock.json b/nvim-pack-lock.json
new file mode 100644
index 0000000..02725f1
--- /dev/null
+++ b/nvim-pack-lock.json
@@ -0,0 +1,28 @@
+{
+  "plugins": {
+    "friendly-snippets": {
+      "rev": "6cd7280adead7f586db6fccbd15d2cac7e2188b9",
+      "src": "https://github.com/rafamadriz/friendly-snippets"
+    },
+    "mason.nvim": {
+      "rev": "bb639d4bf385a4d89f478b83af4d770be05ab7eb",
+      "src": "https://github.com/mason-org/mason.nvim"
+    },
+    "mini.nvim": {
+      "rev": "44657837c7338e52727facc85c1d95bec1f6bd7c",
+      "src": "https://github.com/nvim-mini/mini.nvim"
+    },
+    "nvim-lspconfig": {
+      "rev": "6f76a3eeadc2ee235d74cd7d5319e95a261084af",
+      "src": "https://github.com/neovim/nvim-lspconfig"
+    },
+    "nvim-treesitter": {
+      "rev": "4916d6592ede8c07973490d9322f187e07dfefac",
+      "src": "https://github.com/nvim-treesitter/nvim-treesitter"
+    },
+    "vim-fugitive": {
+      "rev": "3b753cf8c6a4dcde6edee8827d464ba9b8c4a6f0",
+      "src": "https://github.com/tpope/vim-fugitive"
+    }
+  }
+}